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Create ibm-cloud-code-engine.yml
Deploy to IBM Code Engine
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‎.github/workflows/ibm-cloud-code-engine.yml

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# ===============================================================
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# ☁️ MCP Gateway ▸ Build, Cache & Deploy to IBM Code Engine
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# ===============================================================
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#
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# This workflow:
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# • Restores / updates a local BuildKit layer cache ❄️
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# • Builds the Docker image (Containerfile.lite) 🏗️
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# • Pushes it to IBM Container Registry (ICR) 📤
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# • Creates or updates a Code Engine app 🚀
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#
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# All sensitive values are read from GitHub **repository secrets**
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# ┌────────────────────────────┬────────────────────────────────┐
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# │ Secret name │ Example value │
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# ├────────────────────────────┼────────────────────────────────┤
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# │ IBM_CLOUD_API_KEY │ abcdef-123456… │
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# │ IBM_CLOUD_REGION │ us-south │
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# │ ICR_NAMESPACE │ myspace │
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# │ REGISTRY_HOSTNAME │ us.icr.io │
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# │ APP_NAME │ mcpgateway │
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# │ CODE_ENGINE_PROJECT │ my-ce-project │
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# │ CODE_ENGINE_REGISTRY_SECRET│ my-registry-secret │
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# │ CODE_ENGINE_PORT │ "4444" │
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# └────────────────────────────┴────────────────────────────────┘
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# ---------------------------------------------------------------
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name: Deploy to IBM Code Engine
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on:
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push:
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branches: [ "main" ]
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permissions:
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contents: read # least-privilege
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env:
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# Build metadata
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GITHUB_SHA: ${{ github.sha }}
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CACHE_DIR: /tmp/.buildx-cache # BuildKit layer cache dir
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# IBM Cloud auth / region
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IBM_CLOUD_API_KEY: ${{ secrets.IBM_CLOUD_API_KEY }}
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IBM_CLOUD_REGION: ${{ secrets.IBM_CLOUD_REGION }}
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# Registry coords
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REGISTRY_HOSTNAME: ${{ secrets.REGISTRY_HOSTNAME }}
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ICR_NAMESPACE: ${{ secrets.ICR_NAMESPACE }}
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# Image / app naming
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IMAGE_NAME: ${{ secrets.APP_NAME }}
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IMAGE_TAG: ${{ github.sha }}
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# Code Engine deployment
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CODE_ENGINE_APP_NAME: ${{ secrets.APP_NAME }}
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CODE_ENGINE_PROJECT: ${{ secrets.CODE_ENGINE_PROJECT }}
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CODE_ENGINE_REGISTRY_SECRET: ${{ secrets.CODE_ENGINE_REGISTRY_SECRET }}
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PORT: ${{ secrets.CODE_ENGINE_PORT }}
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jobs:
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build-push-deploy:
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name: 🚀 Build, Cache, Push & Deploy
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runs-on: ubuntu-latest
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environment: production
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steps:
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# -----------------------------------------------------------
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# 0️⃣ Checkout repository
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# -----------------------------------------------------------
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- name: ⬇️ Checkout source
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uses: actions/checkout@v4
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# -----------------------------------------------------------
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# 1️⃣ Set up Docker Buildx
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# -----------------------------------------------------------
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- name: 🛠️ Set up Docker Buildx
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uses: docker/setup-buildx-action@v3
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# -----------------------------------------------------------
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# 2️⃣ Restore BuildKit layer cache
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# -----------------------------------------------------------
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- name: 🔄 Restore BuildKit cache
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uses: actions/cache@v4
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with:
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path: ${{ env.CACHE_DIR }}
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key: ${{ runner.os }}-buildx-${{ github.sha }}
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restore-keys: ${{ runner.os }}-buildx-
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# -----------------------------------------------------------
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# 3️⃣ Install IBM Cloud CLI + plugins
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# -----------------------------------------------------------
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- name: 🧰 Install IBM Cloud CLI
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run: |
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curl -fsSL https://clis.cloud.ibm.com/install/linux | sh
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ibmcloud config --check-version=false
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ibmcloud plugin install -f container-registry
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ibmcloud plugin install -f code-engine
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ibmcloud --version
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# -----------------------------------------------------------
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# 4️⃣ Authenticate to IBM Cloud & select CE project
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# -----------------------------------------------------------
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- name: 🔐 IBM Cloud login
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run: |
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ibmcloud login --apikey "$IBM_CLOUD_API_KEY" -r "$IBM_CLOUD_REGION" -g default
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ibmcloud cr region-set "$IBM_CLOUD_REGION"
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ibmcloud cr login
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ibmcloud ce project select --name "$CODE_ENGINE_PROJECT"
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# -----------------------------------------------------------
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# 5️⃣ Build & tag image (uses cache, updates cache dir)
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# -----------------------------------------------------------
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- name: 🏗️ Build Docker image (with cache)
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run: |
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docker buildx build \
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--file Containerfile.lite \
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--tag "$REGISTRY_HOSTNAME/$ICR_NAMESPACE/$IMAGE_NAME:$IMAGE_TAG" \
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--cache-from type=local,src=${{ env.CACHE_DIR }} \
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--cache-to type=local,dest=${{ env.CACHE_DIR }},mode=max \
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--load \
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.
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# -----------------------------------------------------------
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# 6️⃣ Push image to IBM Container Registry
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# -----------------------------------------------------------
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- name: 📤 Push image to ICR
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run: |
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docker push "$REGISTRY_HOSTNAME/$ICR_NAMESPACE/$IMAGE_NAME:$IMAGE_TAG"
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# -----------------------------------------------------------
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# 7️⃣ Deploy (create or update) Code Engine application
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# -----------------------------------------------------------
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- name: 🚀 Deploy to Code Engine
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run: |
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if ibmcloud ce application get --name "$CODE_ENGINE_APP_NAME" > /dev/null 2>&1; then
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echo "🔁 Updating existing application…"
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ibmcloud ce application update \
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--name "$CODE_ENGINE_APP_NAME" \
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--image "$REGISTRY_HOSTNAME/$ICR_NAMESPACE/$IMAGE_NAME:$IMAGE_TAG" \
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--registry-secret "$CODE_ENGINE_REGISTRY_SECRET" \
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--cpu 1 --memory 2G
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else
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echo "🆕 Creating new application…"
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ibmcloud ce application create \
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--name "$CODE_ENGINE_APP_NAME" \
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--image "$REGISTRY_HOSTNAME/$ICR_NAMESPACE/$IMAGE_NAME:$IMAGE_TAG" \
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--registry-secret "$CODE_ENGINE_REGISTRY_SECRET" \
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--port "$PORT" \
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--cpu 1 --memory 2G
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fi
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# -----------------------------------------------------------
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# 8️⃣ Show deployment status
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# -----------------------------------------------------------
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- name: 📈 Display deployment status
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run: ibmcloud ce application get --name "$CODE_ENGINE_APP_NAME"

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